package com.leenleda.ips.util;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.view.View;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class ScreenUtils {
    private static Bitmap takeScreenShot(Activity activity) {
        LogUtils.e("LSDKVNSDV", "========4======");
        View view = activity.getWindow().getDecorView(); // View是你需要截图的View
        view.setDrawingCacheEnabled(true);
        view.buildDrawingCache();
        Bitmap b1 = view.getDrawingCache();
        Rect frame = new Rect();// 获取状态栏高度
        activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
        int statusBarHeight = frame.top;
        // 获取屏幕长和高
        int width = activity.getWindowManager().getDefaultDisplay().getWidth();
        int height = activity.getWindowManager().getDefaultDisplay().getHeight();
        // 去掉标题栏
        Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height - statusBarHeight);
        view.destroyDrawingCache();
        LogUtils.e("LSDKVNSDV", "========5======" + b);
        return b;
    }

    private static void savePic(Bitmap b, File filePath) {
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(filePath);
            if (null != fos) {
                b.compress(Bitmap.CompressFormat.PNG, 100, fos);
                fos.flush();
                fos.close();
            }
        } catch (FileNotFoundException e) {
             e.printStackTrace();
        } catch (IOException e) {
             e.printStackTrace();
        }
    }

    public static void shoot(Activity a, File filePath) {
        LogUtils.e("LSDKVNSDV", "======1========");
        if (filePath == null)
            return;
        LogUtils.e("LSDKVNSDV", "=======2=======");
        if (!filePath.getParentFile().exists())
            filePath.getParentFile().mkdirs();
        LogUtils.e("LSDKVNSDV", "========3======");
        ScreenUtils.savePic(ScreenUtils.takeScreenShot(a), filePath);
    }
}